IT1208417B - REAR FRONT DERAILLEUR FOR BIKE SPEED CHANGES - Google Patents

REAR FRONT DERAILLEUR FOR BIKE SPEED CHANGES

Info

Publication number
IT1208417B
IT1208417B IT8767366A IT6736687A IT1208417B IT 1208417 B IT1208417 B IT 1208417B IT 8767366 A IT8767366 A IT 8767366A IT 6736687 A IT6736687 A IT 6736687A IT 1208417 B IT1208417 B IT 1208417B
Authority
IT
Italy
Prior art keywords
speed changes
front derailleur
rear front
bike speed
bike
Prior art date
Application number
IT8767366A
Other languages
Italian (it)
Other versions
IT8767366A0 (en
Inventor
Antonio Romano
Original Assignee
Campagnolo Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Campagnolo Spa filed Critical Campagnolo Spa
Priority to IT8767366A priority Critical patent/IT1208417B/en
Publication of IT8767366A0 publication Critical patent/IT8767366A0/en
Priority to ES888800439A priority patent/ES2008426A6/en
Priority to DE3805236A priority patent/DE3805236A1/en
Priority to FR8802293A priority patent/FR2614666A1/en
Priority to JP63045705A priority patent/JP2713414B2/en
Priority to US07/160,947 priority patent/US4824420A/en
Application granted granted Critical
Publication of IT1208417B publication Critical patent/IT1208417B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
    • B62M9/121—Rear derailleurs
    • B62M9/124—Mechanisms for shifting laterally

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Gear Transmission (AREA)
  • Transmission Devices (AREA)
IT8767366A 1987-04-29 1987-04-29 REAR FRONT DERAILLEUR FOR BIKE SPEED CHANGES IT1208417B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT8767366A IT1208417B (en) 1987-04-29 1987-04-29 REAR FRONT DERAILLEUR FOR BIKE SPEED CHANGES
ES888800439A ES2008426A6 (en) 1987-04-29 1988-02-17 Chain guide for bicycle gearchange unit
DE3805236A DE3805236A1 (en) 1987-04-29 1988-02-19 CHAIN DERAILLEUR FOR A BICYCLE CHAIN
FR8802293A FR2614666A1 (en) 1987-04-29 1988-02-25 REAR DERAILLEUR BICYCLE, WHOSE CHAIN TRANSMISSION ELEMENT IS SLIDING IN RELATION TO THE FRAMEWORK
JP63045705A JP2713414B2 (en) 1987-04-29 1988-02-26 Bicycle gear rear derailleur
US07/160,947 US4824420A (en) 1987-04-29 1988-02-26 Rear derailer for bicycle gears

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8767366A IT1208417B (en) 1987-04-29 1987-04-29 REAR FRONT DERAILLEUR FOR BIKE SPEED CHANGES

Publications (2)

Publication Number Publication Date
IT8767366A0 IT8767366A0 (en) 1987-04-29
IT1208417B true IT1208417B (en) 1989-06-12

Family

ID=11301802

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8767366A IT1208417B (en) 1987-04-29 1987-04-29 REAR FRONT DERAILLEUR FOR BIKE SPEED CHANGES

Country Status (6)

Country Link
US (1) US4824420A (en)
JP (1) JP2713414B2 (en)
DE (1) DE3805236A1 (en)
ES (1) ES2008426A6 (en)
FR (1) FR2614666A1 (en)
IT (1) IT1208417B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5494307A (en) * 1993-09-09 1996-02-27 Anderson; Paul M. Gear shifting apparatus
US5456637A (en) * 1994-10-07 1995-10-10 Chang; Shu-Gen Chain shifting device for bicycle
US6012999A (en) * 1997-12-24 2000-01-11 Patterson; Richard A. Hydraulically-operated bicycle shifting system with positive pressure actuation
US6354971B1 (en) 2000-02-02 2002-03-12 Brigham Young University Compliant derailleur
US6757975B1 (en) 2001-01-25 2004-07-06 Brigham Young University Multi-layered compliant mechanisms and method of manufacture
US9327792B2 (en) * 2011-01-28 2016-05-03 Paha Designs, Llc Gear transmission and derailleur system
US10207772B2 (en) * 2011-01-28 2019-02-19 Paha Designs, Llc Gear transmission and derailleur system
US9033833B2 (en) * 2011-01-28 2015-05-19 Paha Designs, Llc Gear transmission and derailleur system
US9651138B2 (en) 2011-09-30 2017-05-16 Mtd Products Inc. Speed control assembly for a self-propelled walk-behind lawn mower
US11981399B1 (en) * 2023-05-09 2024-05-14 Fong P Lin Bicycle derailleur structure

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1277691A (en) * 1961-01-10 1961-12-01 Improvements to derailleur devices for changing the transmission ratio of competition and touring bicycles and improved servo derailleurs with rectilinear oblique displacement
JPS5522315A (en) * 1978-08-03 1980-02-18 Shin Meiwa Ind Co Ltd Centrifugal dehydrator
FR2446513A1 (en) * 1979-01-12 1980-08-08 Anvar SELECTOR DEVICE, PARTICULARLY FOR A BICYCLE DERAILLEUR, AND DERAILLEUR PROVIDED WITH SUCH A DEVICE
JPS5631516Y2 (en) * 1979-04-23 1981-07-27
FR2508196A1 (en) * 1981-06-17 1982-12-24 Huret & Fils GUIDING AND ACTUATION MECHANISM, IN PARTICULAR FOR BICYCLE DERAILLEUR
FR2587079A1 (en) * 1985-09-11 1987-03-13 Roche Claudia Electrically controlled dérailleur

Also Published As

Publication number Publication date
DE3805236A1 (en) 1988-11-17
JPS63270300A (en) 1988-11-08
US4824420A (en) 1989-04-25
ES2008426A6 (en) 1989-07-16
JP2713414B2 (en) 1998-02-16
IT8767366A0 (en) 1987-04-29
FR2614666A1 (en) 1988-11-04

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